diff --git a/flang/lib/Lower/OpenMP.cpp b/flang/lib/Lower/OpenMP.cpp
index 517812305358c7..f6a61ba3a528e3 100644
--- a/flang/lib/Lower/OpenMP.cpp
+++ b/flang/lib/Lower/OpenMP.cpp
@@ -754,7 +754,7 @@ static mlir::Value getReductionInitValue(mlir::Location loc, mlir::Type type,
     if (auto ty = type.dyn_cast<mlir::FloatType>()) {
       const llvm::fltSemantics &sem = ty.getFloatSemantics();
       return builder.createRealConstant(
-          loc, type, llvm::APFloat::getSmallest(sem, /*Negative=*/true));
+          loc, type, llvm::APFloat::getLargest(sem, /*Negative=*/false));
     }
     unsigned bits = type.getIntOrFloatBitWidth();
     int64_t maxInt = llvm::APInt::getSignedMaxValue(bits).getSExtValue();
diff --git a/flang/test/Lower/OpenMP/FIR/wsloop-reduction-min.f90 b/flang/test/Lower/OpenMP/FIR/wsloop-reduction-min.f90
index 880d94b910af97..22cdd41c95179b 100644
--- a/flang/test/Lower/OpenMP/FIR/wsloop-reduction-min.f90
+++ b/flang/test/Lower/OpenMP/FIR/wsloop-reduction-min.f90
@@ -2,7 +2,7 @@
 ! RUN: %flang_fc1 -emit-fir -flang-deprecated-no-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s
 
 !CHECK: omp.reduction.declare @[[MIN_DECLARE_F:.*]] : f32 init {
-!CHECK:   %[[MAXIMUM_VAL_F:.*]] = arith.constant -1.401300e-45 : f32
+!CHECK:   %[[MAXIMUM_VAL_F:.*]] = arith.constant 3.40282347E+38 : f32
 !CHECK:   omp.yield(%[[MAXIMUM_VAL_F]] : f32)
 !CHECK: combiner
 !CHECK: ^bb0(%[[ARG0_F:.*]]: f32, %[[ARG1_F:.*]]: f32):
diff --git a/flang/test/Lower/OpenMP/wsloop-reduction-min.f90 b/flang/test/Lower/OpenMP/wsloop-reduction-min.f90
index c1c91122efddc6..af7f718b0b26d0 100644
--- a/flang/test/Lower/OpenMP/wsloop-reduction-min.f90
+++ b/flang/test/Lower/OpenMP/wsloop-reduction-min.f90
@@ -2,7 +2,7 @@
 ! RUN: %flang_fc1 -emit-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s
 
 !CHECK: omp.reduction.declare @[[MIN_DECLARE_F:.*]] : f32 init {
-!CHECK:   %[[MAXIMUM_VAL_F:.*]] = arith.constant -1.401300e-45 : f32
+!CHECK:   %[[MAXIMUM_VAL_F:.*]] = arith.constant 3.40282347E+38 : f32
 !CHECK:   omp.yield(%[[MAXIMUM_VAL_F]] : f32)
 !CHECK: combiner
 !CHECK: ^bb0(%[[ARG0_F:.*]]: f32, %[[ARG1_F:.*]]: f32):